Volume 23, Issue 1, March 2015, Pages 91-99
Rizk, T. Y.; El-Agroudy M. H.; El-Sherif M.N. M.; Zizy M. Abbas
Volume 13, Issue 2, September 2005, Pages 419-440
A Abou El-Khashab; Safia A.M A. Taleb; Wafaa T Saeed